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Commit 14fb20c9 authored by Frank Li's avatar Frank Li Committed by Sascha Hauer
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ARM: mx53_loco: Add GPIO Keypad support 



Signed-off-by: default avatarFrank Li <Frank.Li@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 76422dbf

arch/arm/mach-mx5/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -165,6 +165,7 @@ config MACH_MX53_LOCO 
	select IMX_HAVE_PLATFORM_IMX_I2C

	select IMX_HAVE_PLATFORM_IMX_UART

	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX

	select IMX_HAVE_PLATFORM_GPIO_KEYS

	help

	  Include support for MX53 LOCO platform. This includes specific

	  configurations for the board and its peripherals.

arch/arm/mach-mx5/board-mx53_loco.c

+25 −0
Original line number Diff line number Diff line
@@ -36,6 +36,9 @@ 
#include "crm_regs.h"

#include "devices-imx53.h"



#define MX53_LOCO_POWER			IMX_GPIO_NR(1, 8)

#define MX53_LOCO_UI1			IMX_GPIO_NR(2, 14)

#define MX53_LOCO_UI2			IMX_GPIO_NR(2, 15)

#define LOCO_FEC_PHY_RST		IMX_GPIO_NR(7, 6)



static iomux_v3_cfg_t mx53_loco_pads[] = {
@@ -180,6 +183,27 @@ static iomux_v3_cfg_t mx53_loco_pads[] = { 
	MX53_PAD_GPIO_8__GPIO1_8,

};



#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake)	\

{								\

	.gpio		= gpio_num,				\

	.type		= EV_KEY,				\

	.code		= ev_code,				\

	.active_low	= act_low,				\

	.desc		= "btn " descr,				\

	.wakeup		= wake,					\

}



static const struct gpio_keys_button loco_buttons[] __initconst = {

	GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),

	GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),

	GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),

};



static const struct gpio_keys_platform_data loco_button_data __initconst = {

	.buttons        = loco_buttons,

	.nbuttons       = ARRAY_SIZE(loco_buttons),

};



static inline void mx53_loco_fec_reset(void)

{

	int ret;
@@ -215,6 +239,7 @@ static void __init mx53_loco_board_init(void) 
	imx53_add_imx_i2c(1, &mx53_loco_i2c_data);

	imx53_add_sdhci_esdhc_imx(0, NULL);

	imx53_add_sdhci_esdhc_imx(2, NULL);

	imx_add_gpio_keys(&loco_button_data);

}



static void __init mx53_loco_timer_init(void)